power tester

1.  4Displays: V,A,W,PF / Hz.2. All measured data as virtual valuet.3.  Auto range.

4. Voltage: 75V/150V/300V/600V.5. Current: 0.5A/2A/8A/20A.6.  PF: -1.000~1.000.7.  Hz: 45Hz-65Hz, band: 5kHz.8.  Accuracy: ±(0.4%reading+0.1%range+1digit),0.5 Class.